#
# (C) Copyright 2006-2007
# Stefan Roese, DENX Software Engineering, sr@denx.de.
#
# (C) Copyright 2008
# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#

CONFIG_NAND_SPL	= y

include $(TOPDIR)/config.mk
include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk

nandobj	:= $(OBJTREE)/nand_spl/

LIBPATH= /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-eabi/4.4.1
LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot-spl.lds
LDFLAGS := -T $(nandobj)u-boot-spl.lds -Ttext $(CONFIG_SYS_SPL_TEXT_BASE) $(LDFLAGS)\
	   $(LDFLAGS_FINAL)
EX_LDFLAGS = -L $(LIBPATH) -lgcc

AFLAGS	+= -DCONFIG_NAND_SPL
CFLAGS	+= -DCONFIG_NAND_SPL
OBJCFLAGS += --gap-fill=0x0

PAD_TO = 0x1000

SOBJS	= nand_start.o lowlevel_init.o
COBJS	= led.o clock.o speed.o nand_boot.o nand_ecc.o s3c2440_nand.o serial_s3c24x0.o
EOBJS	= eabi_compat.o

SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c) $(EOBJS:.o=.c))
OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS) $(EOBJS))
__OBJS	:= $(SOBJS) $(COBJS)
LNDIR	:= $(nandobj)board/$(BOARDDIR)

ALL	= $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-4k.bin

all:	$(obj).depend $(ALL)

$(nandobj)u-boot-spl-4k.bin: $(nandobj)u-boot-spl
	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@

$(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@

$(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot-spl.lds
	cd $(LNDIR) && $(LD) $(LDFLAGS) $(SOBJS) --start-group $(COBJS) --end-group $(EOBJS) $(EX_LDFLAGS)\
		-Map $(nandobj)u-boot-spl.map \
		-o $(nandobj)u-boot-spl

$(nandobj)u-boot-spl.lds: $(LDSCRIPT)
	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@

# create symbolic links for common files

# from cpu directory
$(obj)nand_start.S:
	@rm -f $@
	@ln -s $(TOPDIR)/arch/arm/cpu/arm920t/nand_start.S $@

# from board directory
$(obj)led.c:
	@rm -f $@
	@ln -s $(TOPDIR)/arch/arm/cpu/arm920t/s3c24x0/led.c $@

# from board directory
$(obj)clock.c:
	@rm -f $@
	@ln -s $(TOPDIR)/arch/arm/cpu/arm920t/s3c24x0/clock.c $@

# from board directory
$(obj)speed.c:
	@rm -f $@
	@ln -s $(TOPDIR)/arch/arm/cpu/arm920t/s3c24x0/speed.c $@
	
# from board directory
$(obj)lowlevel_init.S:
	@rm -f $@
	@ln -s $(TOPDIR)/board/samsung/mini2440/lowlevel_init.S $@

# from nand_spl directory
$(obj)nand_boot.c:
	@rm -f $@
	@ln -s $(TOPDIR)/nand_spl/nand_boot.c $@

# from drivers/mtd/nand directory
$(obj)nand_ecc.c:
	@rm -f $@
	@ln -s $(TOPDIR)/drivers/mtd/nand/nand_ecc.c $@

$(obj)s3c2440_nand.c:
	@rm -f $@
	@ln -s $(TOPDIR)/drivers/mtd/nand/s3c2440_nand.c $@

$(obj)serial_s3c24x0.c:
	@rm -f $@
	@ln -s $(TOPDIR)/drivers/serial/serial_s3c24x0.c $@

$(obj)eabi_compat.c:
	@rm -f $@
	@ln -s $(TOPDIR)/arch/arm/lib/eabi_compat.c $@
	
#########################################################################

$(obj)%.o:	$(obj)%.S
	$(CC) $(AFLAGS) -c -o $@ $<

$(obj)%.o:	$(obj)%.c
	$(CC) $(CFLAGS) -c -o $@ $<

# defines $(obj).depend target
include $(SRCTREE)/rules.mk

sinclude $(obj).depend

#########################################################################
